Aquatherm: Sweated Copper Stub-outAquatherm-to-copper stub-outs come in ½-, ¾-, and 1-inch diameters and range 11-18 inches in length. Installers can easily transition to a fan coil unit, zone valve, heat pump, or other HVAC components with sweated connections using polypropylene-random (PP-R) piping systems. Aquatherm teamed up with Sioux Chief Mfg. to create this new stub-out. The PP-R portion of the unit is mold-injected and manufactured in Germany from the same material as Aquatherm Green Pipe® and Aquatherm Blue Pipe® (formerly Climatherm®) and is connected via heat fusion. The copper portion of the stub-out is manufactured in the U.S. by Sioux Chief and is connected using standard copper solder joints or compression fittings. The fitting is a combination of a custom Aquatherm PP-R socket with the copper added by Sioux Chief.

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